Question: 3 . A centrifugal pump with a 6 - inch diameter impeller and the characteristics shown in the figure are to be used to pump

3 .

A centrifugal pump with a

6 -

inch diameter impeller and the characteristics shown in the figure are to be used to pump water at

\ (50^{\

circ

} \

mathrm

{

} \)

through

1.2

km of commercial steel

8

cm diameter pipe. The pipe connects two reservoirs with open surfaces at the same elevation. Determine the flow rate. Do you think this pump is a good choice? Provide reasoning. Determine the new flow rate for the system if the pipe diameter is increased from

8

cm to

12

cm and a

7 -

inch diameter impeller pump is used. Is this pump now a good choice? Explain.

\ ((1.5 + 1.5 = 3) \)

3 . A centrifugal pump with a 6 - inch diameter

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